FI67069C - Foerfarande foer omvandling av extraktionsrester erhaollna vidrening av fosforsyra till fasta avfallsprodukter - Google Patents

Foerfarande foer omvandling av extraktionsrester erhaollna vidrening av fosforsyra till fasta avfallsprodukter Download PDF

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Publication number
FI67069C
FI67069C FI800729A FI800729A FI67069C FI 67069 C FI67069 C FI 67069C FI 800729 A FI800729 A FI 800729A FI 800729 A FI800729 A FI 800729A FI 67069 C FI67069 C FI 67069C
Authority
FI
Finland
Prior art keywords
raffinates
reaction
reaction mixture
filter cake
quicklime
Prior art date
Application number
FI800729A
Other languages
English (en)
Finnish (fi)
Other versions
FI67069B (fi
FI800729A (fi
Inventor
Klaus Schroedter
Reinhard Gradl
Klaus-Peter Ehlers
Wolfgang Scheibitz
Original Assignee
Hoechst Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of FI800729A publication Critical patent/FI800729A/fi
Publication of FI67069B publication Critical patent/FI67069B/fi
Application granted granted Critical
Publication of FI67069C publication Critical patent/FI67069C/fi

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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62DCHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • A62D3/36Detoxification by using acid or alkaline reagents
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/46Preparation involving solvent-solvent extraction
    • C01B25/461Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/008Sludge treatment by fixation or solidification
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62DCHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/40Inorganic substances
    • A62D2101/45Inorganic substances containing nitrogen or phosphorus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Toxicology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Removal Of Specific Substances (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Detergent Compositions (AREA)
  • Storage Device Security (AREA)
  • Seasonings (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Saccharide Compounds (AREA)
  • Control Of Stepping Motors (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Paper (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Plural Heterocyclic Compounds (AREA)
FI800729A 1979-03-12 1980-03-10 Foerfarande foer omvandling av extraktionsrester erhaollna vidrening av fosforsyra till fasta avfallsprodukter FI67069C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2909572 1979-03-12
DE19792909572 DE2909572A1 (de) 1979-03-12 1979-03-12 Verfahren zur ueberfuehrung von extraktionsrueckstaenden aus der phosphorsaeurereinigung in feste deponieprodukte

Publications (3)

Publication Number Publication Date
FI800729A FI800729A (fi) 1980-09-13
FI67069B FI67069B (fi) 1984-09-28
FI67069C true FI67069C (fi) 1985-01-10

Family

ID=6065102

Family Applications (1)

Application Number Title Priority Date Filing Date
FI800729A FI67069C (fi) 1979-03-12 1980-03-10 Foerfarande foer omvandling av extraktionsrester erhaollna vidrening av fosforsyra till fasta avfallsprodukter

Country Status (18)

Country Link
US (1) US4279876A (fr)
EP (1) EP0017741B1 (fr)
JP (1) JPS6044998B2 (fr)
AT (1) ATE1139T1 (fr)
BR (1) BR8001427A (fr)
CA (1) CA1136830A (fr)
DD (1) DD149795A5 (fr)
DE (2) DE2909572A1 (fr)
DK (1) DK151217C (fr)
ES (1) ES487988A1 (fr)
FI (1) FI67069C (fr)
IE (1) IE49648B1 (fr)
IL (1) IL59546A (fr)
MA (1) MA18768A1 (fr)
MX (1) MX153241A (fr)
PH (1) PH15387A (fr)
SU (1) SU959619A3 (fr)
ZA (1) ZA801407B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135801A1 (de) * 1981-09-10 1983-03-24 Hoechst Ag, 6000 Frankfurt Verfahren zur nachbehandlung von extraktionsrueckstaenden der phosphorsaeurereinigung
DE3502215A1 (de) * 1985-01-24 1986-07-24 Hoechst Ag Verfahren zur ueberfuehrung schwermetallhaltiger rueckstaende in feste deponiefaehige produkte
DE3522822A1 (de) * 1985-06-26 1987-01-02 Hoechst Ag Verfahren zur aufarbeitung von schwermetallhaltigen rueckstaenden aus der reinigung von rohphosphorsaeuren
JPS6222296U (fr) * 1985-07-25 1987-02-10
JPH0522633Y2 (fr) * 1985-12-17 1993-06-10
US4781905A (en) * 1986-05-30 1988-11-01 Yu Ming Jiang Process for producing phosphoric acid and/or phosphates from wet-process phosphoric acid and an extractant therein
DE3710804A1 (de) * 1987-03-31 1988-10-20 Basf Ag Verfahren zur reinigung und entsorgung von russ- und aschehaltigen abwaessern
US4783328A (en) * 1987-12-14 1988-11-08 Fmc Corporation Utilization of phosphourus containing by-products
EP0375653A3 (fr) * 1988-12-23 1991-03-20 Perlmooser Zementwerke Aktiengesellschaft Procédé pour le traitement de déchets
DE3913853A1 (de) * 1989-04-27 1990-10-31 Hoechst Ag Verfahren zur aufarbeitung von phosphorsaeure
JPH05500325A (ja) * 1989-07-14 1993-01-28 テヒフォルム エンジニアリング アクチェンゲゼルシャフト 環境に重大な有害物質を不活性化及び/又は不動化する方法
JPH0346696U (fr) * 1989-09-01 1991-04-30
GB9124353D0 (en) * 1991-11-15 1992-01-08 Albright & Wilson Immobilisation of metal contaminants from a liquid to a solid metal
DE102007011972B4 (de) * 2007-03-09 2010-04-22 Oase Gmbh Oberflächenabsauger für Teiche oder dergleichen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3375066A (en) * 1963-08-24 1968-03-26 Yawata Chem Ind Co Ltd Process for the continuous production of gypsum and iron oxide from waste sulfuric acid pickle liquor and a calcium compound
JPS5146679B2 (fr) * 1973-03-23 1976-12-10
GB1485067A (en) * 1975-07-25 1977-09-08 Tioxide Group Ltd Effluent treatment process
JPS52126694A (en) * 1976-04-16 1977-10-24 Toyo Soda Mfg Co Ltd Removal of scale coming out from residual solution after extraction
DE2657180C3 (de) * 1976-12-17 1980-06-04 Continental Gummi-Werke Ag, 3000 Hannover Verfahren zum Aus- und Einbauen von elastischen Lagerkörpern zum Auflagern von Baukonstruktionen und Bauwerksteilen und Lagerkörper zum Ausüben des Verfahrens
DE2657190C2 (de) * 1976-12-17 1982-11-04 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von Naßverfahrensphosphorsäure
DE2657189B2 (de) * 1976-12-17 1980-02-07 Hoechst Ag, 6000 Frankfurt Verfahren zur Reinigung von NaBverfahrensphosphorsäure

Also Published As

Publication number Publication date
EP0017741B1 (fr) 1982-06-02
ES487988A1 (es) 1980-07-01
JPS55124591A (en) 1980-09-25
DE2909572A1 (de) 1980-09-25
FI67069B (fi) 1984-09-28
IE49648B1 (en) 1985-11-13
EP0017741A1 (fr) 1980-10-29
FI800729A (fi) 1980-09-13
US4279876A (en) 1981-07-21
DK151217B (da) 1987-11-16
CA1136830A (fr) 1982-12-07
JPS6044998B2 (ja) 1985-10-07
BR8001427A (pt) 1980-11-11
DE3060486D1 (en) 1982-07-22
MX153241A (es) 1986-09-02
ATE1139T1 (de) 1982-06-15
IL59546A (en) 1983-09-30
DK151217C (da) 1988-06-27
ZA801407B (en) 1981-04-29
PH15387A (en) 1982-12-23
IE800497L (en) 1980-09-12
MA18768A1 (fr) 1980-10-01
SU959619A3 (ru) 1982-09-15
DK104380A (da) 1980-09-13
DD149795A5 (de) 1981-07-29

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MM Patent lapsed
MM Patent lapsed

Owner name: HOECHST AKTIENGESELLSCHAFT